Please use this info as a general guide as measurements are approximate.

Size	Shoulder	Chest
36	18.1" / 46 cm	38.6" / 98 cm
38	18.5" / 47 cm	40.2" / 102 cm
40	18.9" / 48 cm	41.7" / 106 cm
42	19.3" / 49 cm	43.3" / 110 cm
44	20.1" / 51 cm	44.9" / 114 cm
46	20.9" / 53 cm	46.5" / 118 cm

Size	Length	Sleeve
36	26.8" / 68 cm	23.6" / 60 cm
38	27.6" / 70 cm	24" / 61 cm
40	28" / 71 cm	24.4" / 62 cm
42	28.3" / 72 cm	24.8" / 63 cm
44	29.1" / 74 cm	25.2" / 64 cm
46	29.9" / 76 cm	25.6" / 65 cm

In order to best determine fit, it may be helpful to compare our garments measurements to a similar garment you already own. Lay your garment on a flat surface and take all measurements from the outside of the garment.

to check out our Garment Measuring Guide.

** If you are still confused, you can to help you choose the size. **